[elephant-devel] Re: Derived Indicies

[Henrik Hjelte]

On Thu, May 8, 2008 at 1:11 PM, Ian Eslick <eslick at media.mit.edu> wrote:
>
> On May 7, 2008, at 4:20 PM, Alex Mizrahi wrote:
>
>> IE> Given that in Elephant, the cost of a btree instance is negligable,
>>
>> it postmodern backend each btree is backed by a database table,
>> so i think it's not that negligable there..
>
> Ah, I think the CL-SQL and BDB have different performance implications then.
>  What is the purpose of doing it this way?  Are you specializing the table
> on the type of the keys in some way?

The table is the closest thing to a btree structure in an sql
database. For example cursor operations are done on table. That is the
idea of using tables as btrees.

/Henrik